This is 2.6.18-um, on top of a 2.6.16.29-skas3-v8.2 host.
Kernel file is here:
http://www.theshore.net/~caker/uml/kernels/2.6.18-linode25
Kernel panic - not syncing: Kernel mode fault at addr 0x92c00000, ip
0x80bcead
EIP: 0073:[<080bcead>] CPU: 0 Not tainted ESP: 007b:bf55b798 EFLAGS:
00200246
Not tainted
EAX: ffffffda EBX: 00000003 ECX: 40118003 EDX: 000fa718
ESI: 40118003 EDI: 4021271b EBP: bf55b7d8 DS: 007b ES: 007b
85a0f2f8: [<800519a0>] notifier_call_chain+0x2a/0x40
85a0f314: [<8003ef57>] panic+0x70/0x102
85a0f32c: [<8001eb96>] segv+0x29d/0x2cb
85a0f35c: [<80058df6>] autoremove_wake_function+0x2f/0x57
85a0f368: [<8007f636>] kmem_cache_free+0x54/0xdc
85a0f384: [<8004c62d>] __mod_timer+0x75/0xb3
85a0f3f8: [<8001e8ba>] segv_handler+0xa5/0xe4
85a0f41c: [<8001e815>] segv_handler+0x0/0xe4
85a0f420: [<80034abc>] sig_handler_common_skas+0x94/0xe5
85a0f444: [<80030bdd>] sig_handler+0x5d/0x68
85a0f45c: [<8039a828>] __restore+0x0/0x8
85a0f49c: [<800350cf>] csum_partial+0xdb/0xe8
85a0f4bc: [<80062d52>] handle_IRQ_event+0x45/0x69
85a0f4d8: [<802585d3>] rb_erase+0x5b/0x102
85a0f4e8: [<8007f636>] kmem_cache_free+0x54/0xdc
85a0f4f0: [<8004c593>] lock_timer_base+0x2a/0x4f
85a0f504: [<8004c62d>] __mod_timer+0x75/0xb3
85a0f510: [<8024f14c>] as_can_break_anticipation+0xef/0x182
85a0f524: [<8024eb7c>] as_antic_waitnext+0x29/0x68
85a0f530: [<8024f206>] as_can_anticipate+0x27/0x37
85a0f53c: [<8024fab4>] as_dispatch_request+0x2f4/0x378
85a0f548: [<80261c6c>] __add_entropy_words+0x74/0x174
85a0f564: [<8024594b>] elv_next_request+0x45/0x156
85a0f570: [<80068274>] mempool_free+0x83/0x93
85a0f584: [<8002a9de>] do_ubd_request+0x2b/0xbd
85a0f5a0: [<8001a1ce>] find_irq_by_fd+0x53/0x83
85a0f5a8: [<80030b12>] maybe_sigio_broken+0x1a/0x58
85a0f5c4: [<8003a6bc>] __activate_task+0x27/0x3f
85a0f5e8: [<8003a6bc>] __activate_task+0x27/0x3f
85a0f600: [<8003a7f7>] activate_task+0x6e/0x7b
85a0f614: [<800466cc>] local_bh_enable+0x8/0xa9
85a0f624: [<8003a8d6>] try_to_wake_up+0x90/0xa5
85a0f638: [<80327340>] ipt_do_table+0x248/0x323
85a0f640: [<800466cc>] local_bh_enable+0x8/0xa9
85a0f648: [<80058df6>] autoremove_wake_function+0x2f/0x57
85a0f670: [<803291a5>] ip_nat_fn+0x7b/0x1e7
85a0f684: [<802e1607>] ip_local_deliver_finish+0x0/0x1ef
85a0f688: [<80328b03>] ipt_hook+0x37/0x3b
85a0f6a4: [<802d8569>] nf_iterate+0x63/0x7b
85a0f6b8: [<802fe15e>] tcp_v4_rcv+0x4ce/0x8c5
85a0f6c8: [<802e1607>] ip_local_deliver_finish+0x0/0x1ef
85a0f718: [<80030fc0>] set_signals+0x1c/0x28
85a0f720: [<800466cc>] local_bh_enable+0x8/0xa9
85a0f724: [<8004c62d>] __mod_timer+0x75/0xb3
85a0f738: [<80030fc0>] set_signals+0x1c/0x28
85a0f74c: [<802aafe2>] skb_checksum+0xe7/0x28f
85a0f75c: [<802aa2ce>] pskb_expand_head+0xdc/0x15f
85a0f788: [<802afd31>] skb_checksum_help+0x9c/0x13e
85a0f7ac: [<803292fc>] ip_nat_fn+0x1d2/0x1e7
85a0f7dc: [<802e6c72>] dst_output+0x0/0x14
85a0f7e0: [<80329528>] ip_nat_local_fn+0x75/0xf3
85a0f7f4: [<802e6c72>] dst_output+0x0/0x14
85a0f804: [<802e6c72>] dst_output+0x0/0x14
85a0f808: [<802d8569>] nf_iterate+0x63/0x7b
85a0f81c: [<802e6c72>] dst_output+0x0/0x14
85a0f82c: [<802e6c72>] dst_output+0x0/0x14
85a0f830: [<802d85ec>] nf_hook_slow+0x6b/0xe4
85a0f84c: [<802e6c72>] dst_output+0x0/0x14
85a0f86c: [<802e4a44>] ip_queue_xmit+0x3d7/0x4c2
85a0f884: [<802e6c72>] dst_output+0x0/0x14
85a0f88c: [<800327ac>] setjmp_wrapper+0x5c/0x60
85a0f8b0: [<80032778>] setjmp_wrapper+0x28/0x60
85a0f8ec: [<8007f413>] kmem_cache_alloc+0x3b/0x5d
85a0f914: [<8006942b>] buffered_rmqueue+0xa2/0x11a
85a0f944: [<802f7668>] tcp_transmit_skb+0x2b8/0x4b1
85a0f964: [<802f83f5>] tcp_snd_test+0x33/0xf4
85a0f984: [<802f91fd>] tcp_push_one+0xde/0x159
85a0f9ac: [<802eca55>] tcp_sendmsg+0x438/0xe54
85a0fa0c: [<80032778>] setjmp_wrapper+0x28/0x60
85a0fa30: [<8030a718>] inet_sendmsg+0x4a/0x56
85a0fa48: [<802a4aad>] do_sock_write+0xbb/0xc5
85a0fa6c: [<802a4c5f>] sock_aio_write+0x95/0x99
85a0fae0: [<80082978>] do_sync_write+0xde/0x124
85a0fb00: [<800347c6>] switch_threads+0x61/0x6e
85a0fb3c: [<80058dc7>] autoremove_wake_function+0x0/0x57
85a0fb5c: [<8002311f>] buffer_op+0x47/0x77
85a0fb60: [<80022f86>] do_buffer_op+0x0/0x152
85a0fb90: [<80082b81>] vfs_write+0x1c3/0x23d
85a0fbc8: [<80082ccc>] sys_write+0x51/0x80
85a0fbf0: [<80022bda>] handle_syscall+0x11a/0x138
85a0fc58: [<80032eed>] move_registers+0x4c/0x66
85a0fc6c: [<80033b68>] handle_trap+0x31/0x12d
85a0fc74: [<80032f47>] save_registers+0x40/0x6c
85a0fc94: [<80034192>] userspace+0x1c7/0x21e
85a0fcf0: [<80022808>] fork_handler+0xef/0xff
85a0fd1c: [<8039a828>] __restore+0x0/0x8
85a0fd5c: [<8039aa81>] kill+0x11/0x20
Is this a UML issue?
-Chris
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